ollsly named fodder crops served in the majority of oases eitlier in 

 part or in the whole as substitutes for meadow liay. 



The daily rations of g^rain fed consisted throughout the entire per- 

 iod, in all cases alike, substantially of the same materials, namely, 

 corn meal or corn and cob meal and wheat bran, which were supple- 

 mented in the majority of instances more or less by gluten meal, to 

 secure as far as practicable the desired comparative nutritive charac- 

 ter of the diet. The daily diet per head consisted of from eighteen 

 to twenty or more pounds of meadow hay or its equivalent in part or 

 in the whole of dry vegetable matter of the above mentioned bulky 

 fodder articles, and from six and one-half to nine and three-quarter 

 pounds of grain feed, usually composed of an equal weight of corn 

 meal or corn and cob meal and wheat bran, with or without gluten 

 meal (3 1-4 pounds). 



The ruling local average market price of each fodder article has 

 been used for the determination of the cost of feed consumed. The 

 estimates of the essential fertilizing constituents contained in the 

 various fodder articles used, are based on our own analyses, and on 

 their local market price during the past year. Twenty percent, loss 

 of the fertilizing constituents contained in the feed has been allowed 

 for the amount sold with the milk. 



The period of observation. varied in (:ase of ditTerent cows from 

 261 days to o99 days ; the average daily yield of milk per head for 

 the whole period of observation varied from 7.7 quarts to 12.4 quarts. 

 Three cents per quart of milk produced has been adopted as the 

 average price realized for the entire year in case of milk contracts in 

 our vicinit^^ 



The essential details of our observations are subsequently recorded 

 in tabular form under the following headings : 



1 . History of cows. 



2. Statement of the amount of each kind of fodder ingredients 

 consumed by each animal, with total cost of feed for period of o])ser- 

 vation. 



3. Local market value per ton of each fodder article used. 



4. Value of essential fertilizing constituents contained in the 

 various articles of fodder consumed. 



0. Summary of the financial record of cows. 



G. Some conclusions suggested by the financial record. 



